JP6019612B2 - Video editing apparatus, television receiver, and video editing program - Google Patents

Description

  The present invention relates to a video editing apparatus, a television receiver, and a video editing program.

  There is known a video editing apparatus that edits a video shot by a video camera according to a predetermined scenario and generates an edited video having a good appearance (see, for example, Patent Document 1).

JP 2010-232813 A

  According to the video editing apparatus disclosed in Patent Document 1, a technique for inserting a video shot by another video camera while a video failure has occurred in a video shot by one video camera is disclosed. Yes. However, since the video shot with other video cameras is only used in a complementary manner, the edited video generated mainly from the video shot with one video camera is monotonous depending on the shooting skill of the user. There is a problem that it is easy.

The video editing apparatus according to claim 1, further comprising a video generation unit that generates an edited video using video data of a plurality of videos according to an editing scenario that defines a scene configuration stored in a storage unit, The video generation unit generates the edited video so that a time during which the specific subject is included in the edited video is longer than a time during which the other subject is included in the edited video, and the video is generated based on the orientation of the specific subject. The position of the specific subject is determined, and if the utterance period of the specific subject is shorter than the utterance period of the other subject, the number of frame images of the edited video is changed.
The video editing program according to claim 14 includes a video generation instruction for causing a computer to generate an edited video using video data of a plurality of videos in accordance with an editing scenario that defines a scene configuration stored in a storage unit. The video generation command causes the computer to generate the edited video so that the time during which the specific subject is included in the edited video is longer than the time during which the other subject is included in the edited video. The position of the specific subject is determined based on the orientation, and if the utterance period of the specific subject is shorter than the utterance period of the other subject, the number of frame images of the edited video is changed.

  The video editing apparatus according to the present invention can reduce the influence of the shooting skill of the user on the monotonicity of the edited video.

It is a figure which shows the video editing apparatus in this Embodiment, and the peripheral device connected to a video editing apparatus. It is a figure which shows an example of the recording data which the video analysis part analyzed and produced | generated two video files each input from two video cameras which image | photographed the same event. It is a figure which shows the structure of an edit image generation part. It is a figure which shows an example of the production | generation process of the edit video by an edit process part. It is an example of the output image of an edit image | video. It is a figure which shows the video edit processing flow which the edit video production | generation part of a video editing apparatus performs. It is a figure which shows an example of the crop frame image containing the profile of the main subject.

  A video editing apparatus according to an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a diagram showing a video editing apparatus 110 and peripheral devices connected to the video editing apparatus 110 in the present embodiment.

  The video editing device 110 includes a video analysis unit 111, an edited video generation unit 112, a main subject setting unit 113, a video playback unit 114, and a storage device 115. The video analysis unit 111, the edited video generation unit 112, the main subject setting unit 113, and the video playback unit 114 may be realized by any of hardware or a computer program. Peripheral devices connected to the video editing device 110 include a plurality of video cameras (photographing devices) 110, an input device 130, and a display device 140.

  The video analysis unit 111 analyzes video data of a plurality of videos input from the plurality of video cameras 120. Each of the plurality of input videos is a moving image composed of a plurality of unit frame images generated at a predetermined frame rate. The video analysis unit 111 analyzes whether or not the subject is included in the unit frame image, and generates recording data as described later based on the analysis result. Whether or not a subject is included in the unit frame image is determined, for example, by performing pattern matching on the unit frame image using image data of the subject stored in advance in the storage device 115. The video analysis unit 111 stores the input video data of the plurality of videos in the storage device 115 in association with the recording data generated for each of the plurality of videos.

  The edited video generation unit 112 searches the storage device 115 for a scenario file for a video editing scenario and video data and recording data of a plurality of videos to be edited, and selects a plurality of videos from a plurality of videos according to the video editing scenario. An edited video with a series of scenes is generated. The video editing scenario defines a scene configuration that is defined for generating an edited video and that includes a plurality of scenes arranged in a predetermined order for each predetermined recording time, and is disclosed in, for example, Japanese Patent Application Laid-Open No. 2010-232728. This is a scenario. The edited video generation unit 112 searches the scenario file, video data, and recording data based on information on the main subject set by the main subject setting unit 113 described later. The edited video generation unit 112 stores the edited video data of the generated edited video in the storage device 115. The edited video generation unit 112 may display the edited video on the display device 140 by passing the edited video data of the generated edited video to the video playback unit 114 described later.

  When the edited video is edited by the edited video generation unit 112, the main subject setting unit 113 sets the main subject determined in advance by the user via the input device 130 as the main subject of the edited video. For example, an image of a person's face or whole body is displayed on the screen of the display device 140 based on image data stored in the storage device 115 in advance, and the user uses the input device 130 to view one image while viewing the display screen. Select. The main subject setting unit 113 sets the subject corresponding to the image thus selected as the main subject.

  The video playback unit 114 plays back the edited video stored in the storage device 115 and displays it on the display device 140. As described above, the video reproduction unit 114 may reproduce the edited video delivered by the edited video generation unit 112 and display it on the display device 140.

  The storage device 115 stores a scenario file of a video editing scenario, video data and recording data of a plurality of videos to be edited, and stores edited video data of the edited video generated by the edited video generation unit 112. To do.

  FIG. 2 is a diagram illustrating an example of recording data generated by the video analysis unit 111 analyzing and generating two video files F1 and F2 respectively input from two video cameras 120 that photographed the same event, for example. FIG. 2A shows the recording data 210 based on the video file F1, and FIG. 2B shows the recording data 220 based on the video file F2.

  The recorded data 210 includes, for each unit frame image constituting the video file F1, for each of subjects such as “Hanako”, “Taro”, “Hiroshi”, “Yoshiko”, and “Audience” who are participants of the event. The presence or absence of the appearance of the subject, that is, whether or not each subject is included in the unit frame image is recorded. Of all the unit frame images constituting the video file F1, the video analysis unit 111 may count the number of unit frame images including each subject, and the count result may be included in the recording data 210.

  The recorded data 220 records, for each of the same subjects as the recorded data 210, whether or not each subject appears for each unit frame image constituting the video file F2, that is, whether or not each subject is included in the unit frame image. ing. The video analysis unit 111 may count the number of unit frame images including each subject among all the unit frame images constituting the video file F2, and the count result may be included in the recording data 220.

  FIG. 3 is a diagram illustrating a configuration of the edited video generation unit 112. The edited video generation unit 112 includes a search processing unit 310, a crop processing unit 320, a resizing processing unit 330, and an editing processing unit 340. The search processing unit 310, the crop processing unit 320, the resizing processing unit 330, and the editing processing unit 340 may be realized by any of hardware or a computer program. The search processing unit 310 refers to the storage device 115 and, based on the information on the main subject set by the main subject setting unit 113, the scenario file for the video editing scenario, the video data of a plurality of videos to be edited, and Search recorded data.

  Regarding this search processing, when the video data of a plurality of videos to be edited are, for example, the video files F1 and F2 obtained by shooting the same event, and “Taro” who is a participant of the event by the main subject setting unit 113 A case where is set as the main subject will be described as an example. The search processing unit 310 searches for a scenario file for a video editing scenario corresponding to the event from among a plurality of scenario files stored in the storage device 115.

  When a plurality of scenario files are stored in the storage device 115, the period during which the main subject “Taro” appears in the frame image constituting the edited video during the recording time of the entire edited video is the same type (person ) A scenario file corresponding to a video editing scenario that is longer than a period in which each of other subjects, for example, other subjects “Hanako”, “Hiroshi”, and “Yoshiko” appears, is searched. When the frame interval of the frame images constituting the edited video is constant, the number of frame images in which the main subject “Taro” appears is the number of frame images in which each of the other subjects “Hanako”, “Hiroshi”, and “Yoshiko” appears. More than any of the numbers. When each frame image constituting the edited video includes a subject of a predetermined size or more, the subject appears in the frame image.

  The search processing unit 310 records data 210 in which “Taro” is included in the subject in which the presence / absence of appearance is recorded for each unit frame image among the plurality of record data stored in the storage device 115. And 220 are searched. The search processing unit 310 searches the video files F1 and F2 associated with the recording data 210 and 220 from the video data of a plurality of videos stored in the storage device 115, respectively.

  The crop processing unit 320 generates video images F1 and F2 searched by the search processing unit 310 in order to generate frame images constituting each scene according to the scenario for video editing of the scenario file searched by the search processing unit 310. A crop frame image is generated by performing a crop process on the unit frame image included in. The position and size of the image region to be cropped are determined for each unit frame image by the crop processing unit 320 based on the recording data 210 and 220 searched by the search processing unit 310 and the scenario file. The unit frame image to be subjected to the crop processing is specified based on the recording data 210 and 220 searched by the search processing unit 310 and the scenario file. For example, the cropping process is performed so that the main subject is arranged in a predetermined area that is a part of the crop frame image area, including a predetermined position such as substantially the center on the crop frame image. When each frame image constituting the edited video is generated based on such a crop frame image, the main subject appears in the approximate center of the frame image.

  The resizing processing unit 330 generates a frame image constituting each scene according to the video editing scenario of the scenario file searched by the search processing unit 310, and has a predetermined display pixel number (predetermined display pixel size). In order to display the image on the device 140, resize processing such as enlargement and reduction is performed on each crop frame image generated by the crop processing by the crop processing unit 320. The resizing processing unit 330 resizes each cropped frame image to a predetermined size (for example, the display image size of the display device 140) to generate a resized frame image.

  Based on the resized frame image generated by the resizing processing unit 330, the editing processing unit 340 generates a frame image constituting each scene according to the scenario for video editing of the scenario file searched by the search processing unit 310. In this way, each scene according to the video editing scenario is configured. Depending on the video editing scenario, the frame image may be interpolated for time axis conversion such as slow motion. The edit processing unit 340 generates an edited video in which the scenes are recorded in a predetermined order for each predetermined recording time according to the video editing scenario, and outputs the edited video to the storage device 115 or the video playback unit 114.

  FIG. 4 is a diagram illustrating an example of edited video generation processing by the editing processing unit 340. This edited video is generated based on the video files F1 and F2 and the recording data 210 and 220 described above, with the event participant “Taro” as the main subject.

  This edited video in which six scenes Sn1-6 are connected is configured in the order of scenes Sn1-6 according to the scenario for video editing searched according to the event and the main subject. 5 seconds are assigned to the scene Sn1, 15 seconds are assigned to the scene Sn2, 3 seconds are assigned to each of the scenes Sn3 and Sn4, 7 seconds are assigned to the scene Sn5, and 15 seconds are assigned to the scene Sn6. For each subject, an arrow drawn for each scene indicates a period during which the subject appears in a frame image constituting the scene. The period in which each of the main subject and other subjects appears in the frame image constituting each scene is the period during which the main subject appears in the frame image constituting the edited video during the recording time of the entire edited video. Is determined in accordance with the video editing scenario within a range that is longer than the period in which the video appears. “Small”, “Medium”, and “Large” described below the arrows indicate the size of the area occupied by the subject in the frame image in which the subject appears. The size of the area occupied by the main subject and other subjects in the frame images constituting each scene is determined according to the video editing scenario.

  The video files F1 and F2 are applied to each of the scenes Sn1 to Sn6 that are linked according to the video editing scenario according to the video editing scenario. In the example of FIG. 4, the video file F2 is applied to the scenes Sn1 and Sn2, and the video file F1 is applied to the scenes Sn3 to Sn6.

  FIG. 5 is an example of an output image of the edited video generated by the editing process shown in FIG. This edited video is generated with the participant 520 “Taro” wearing the number 2 bib as the main subject in the mixed race road race event. FIG. 5A shows an example of a scene Sn1 serving as an introduction of an edited video, and a spectator 550 appears as a subject in the scene Sn1. FIGS. 5B and 5C show an example of the scene Sn2. In the initial frame image constituting the scene Sn2, four participants 510 to 540 wearing the numbers 1 to 4 and the audience 550 are shown. And have appeared. When a predetermined time elapses while the cropping process and the resizing process described above are performed, the participant 520 “Taro” who wears the number 2 and the number 3 number are worn in the frame image constituting the scene Sn2 Participant 530 “Hiroshi” appears.

  As shown in FIG. 5D, the frame image constituting the scene Sn3 in which the middle part of the race is recorded is closed by the participant 520 “Taro” of the main subject obtained by performing the above-described cropping process and resizing process. The up upper body appears. The scene Sn3 is recorded as, for example, a slow motion video according to the video editing scenario. Subsequently, as shown in FIG. 5 (e), the main subject participant 520 “Taro” obtained by performing the above-described cropping and resizing processing is included in the frame image constituting the scene Sn 4 in which the middle part of the race is recorded. The close-up lower body appears.

  As shown in FIG. 5F, the frame image constituting the scene Sn5 in which the climax scene in which the participant 520 “Taro” overtakes the participant 530 “Hiroshi” is overtaken is overtaken by the above-described cropping and resizing processing. Participant 520 “Taro” and overtaken participant 530 “Hiroshi” appear. In the frame image constituting the final scene Sn6 of the edited video, as shown in FIG. 5G, four participants 510 to 540 and a spectator 550 appear to run away.

  FIG. 6 is a diagram showing a video editing process flow performed by the edited video generation unit 112 of the video editing device 110. In step S610, the search processing unit 310 of the edited video generation unit 112 searches the scenario file for the video editing scenario according to the captured event type from the plurality of scenario files stored in the storage device 115. To do. In step S620, the search processing unit 310 searches for the editing target video file associated with the recording data and the recording data from the plurality of recording data and the plurality of video data stored in the storage device 115. To do.

  In step S630, the crop processing unit 320 of the edited video generation unit 112 generates a frame image that configures each scene according to the video editing scenario of the scenario file searched by the search processing unit 310. Crop processing is performed on the unit frame image included in the editing target video file searched in 310 to generate a crop frame image.

  In step S640, the resize processing unit 330 of the edited video generation unit 112 generates a frame image that configures each scene according to the video editing scenario of the scenario file searched by the search processing unit 310. Resize processing such as enlargement and reduction is performed on each crop frame image generated by the crop processing at 320 to generate a resized frame image.

  In step S650, the edit processing unit 340 of the edited video generation unit 112 generates a frame image constituting each scene according to the video editing scenario based on the resized frame image generated by the resize processing unit 330, and the video In accordance with the editing scenario, an edited video is generated in which the scenes are recorded in a predetermined order for each predetermined recording time. In step S <b> 660, edit processing unit 340 outputs the edited video to storage device 115 or video playback unit 114.

  The video editing apparatus 110 of the present embodiment described above stores a scenario file of a video editing scenario that defines a scene configuration in which a plurality of scenes Sn1 to Sn6 are linked in a predetermined order for each predetermined recording time. Apparatus 115, main subject setting unit 113 for setting participant 520 “Taro” as a main subject, video data of video files F1 and F2 obtained by shooting a plurality of scenes with a plurality of video cameras 120, and video files F1 and F2. Recording data 210 and 220 in which whether or not the main subject participant 520 “Taro” and another subject participant 530 “Hiroshi” are included in the unit frame image is stored in association with each other. Device 115 and the video data of video files F1 and F2 stored in storage device 115. A video generation unit 112 that generates an edited video including a plurality of scenes Sn1 to Sn6 in accordance with a video editing scenario from the video files F1 and F2 based on the recording data 210 and 220; In the total recording time, the edited video is edited so that the time when the main subject participant 520 “Taro” is included is longer than the time when the edited video includes the other subject participant 530 “Hiroshi”. Generate video. Thereby, the video editing apparatus 110 has an effect that the influence of the shooting skill of the user on the monotonicity of the edited video can be reduced.

---- Modified example ---
(1) In the above-described embodiment, the video analysis unit 111 is included in the video editing device 110. However, the video analysis unit 111 may be disposed in an external device of the video editing device 110.

(2) In the embodiment described above, the video analysis unit 111 uses, for example, image data of a subject stored in advance in the storage device 115 when determining whether or not the subject is included in the unit frame image. . The storage device 115 may store detailed information regarding the subject in association with the image data of the subject. The detailed information related to the subject is, for example, a subject name such as a person name, the position of the subject in the unit frame image, or the moving direction of the subject. When the subject is an animal or a person, the detailed information on the subject may further include an expression, a face orientation, whether or not he / she is speaking, an utterance content, or an action. For example, when the person name is associated with the image data of the subject stored in advance in the storage device 115, if the user inputs the person name via the input device 130 when determining the main subject, the main subject The setting unit 113 sets the input person name as the main subject. The edited video generation unit 112 searches the scenario file, video data, and recording data based on the set person name.

(3) In the above-described embodiment, the video analysis unit 111 analyzes whether or not a subject is included in the unit frame image, and generates recording data as described later based on the analysis result. However, the video analysis unit 111 may acquire the recording data generated by the external device as information distributed by broadcasting or communication, such as metadata or an electronic program guide (EPG).

(4) Although the storage device 115 is included in the video editing device 110, the storage device 115 is arranged as an external device connected to the video editing device 110, and the video editing device 110 and the external device connected thereto are arranged. The video editing system having the storage device 115 may be another embodiment of the present invention.

(5) The main subject setting unit 113 sets the main subject determined by the user via the input device 130 as the main subject of the edited video. The user may determine a plurality of main subjects. For example, when the user determines the first subject and the second subject as the main subject, the main subject setting unit 113 may set either the first subject or the second subject as the main subject, Both the one subject and the second subject may be set as the main subject.

  When both the first subject and the second subject are set as main subjects, the edited video generation unit 112 may generate one edited video having both the first subject and the second subject as main subjects, Two edited videos having the first subject and the second subject as main subjects may be generated. When the edited video generation unit 112 generates two edited videos having the first subject and the second subject as the main subjects, the video playback unit 114 plays back the edited video having the first subject as the main subject and displays the edited video. 140 and the edited video generation unit 112 may store the edited video having the second subject as the main subject in the storage device 115.

(6) When the edited video is generated in step S650 of FIG. 6 described above, the frequency of appearance of each subject in the frame image constituting the edited video and the distance from the center of each frame image to each subject position are measured. May be. When the appearance frequency of the main subject is lower than the appearance frequency of other subjects, or when the distance from the center of each frame image to the position of the main subject is larger than the distance to the position of the other subject, the crop processing unit 320 The position and size of the image area to be cropped and the number of frame images constituting the edited video may be changed.

(7) When the edited video is generated in step S650 of FIG. 6 described above, a period during which each subject speaks in the edited video or a period during which each subject faces the front may be measured. When the main subject's utterance period is shorter than the other subject's utterance period, or when the period facing the front of the main subject is shorter than the period facing the other subject's front, the frame image that constitutes the edited video You may change the number.

(8) When a crop frame image is generated by the crop processing unit 320 described above, in a crop frame image including a profile of the main subject, the direction opposite to the direction in which the face of the main subject is facing is easy to see. A main subject may be arranged. FIG. 7 is a diagram illustrating an example of a crop frame image 700 including a profile of the main subject. The crop frame image 700 includes a participant 520 “Taro” as a main subject and a participant 530 “Hiroshi” as another subject. Participant 520 “Taro”, which is the main subject, faces left toward the crop frame image 700, and is therefore arranged to the right of the center of the crop frame image 700. That is, in the crop frame image 700, the distance d_1 from the position of the participant 520 “Taro” as the main subject to the left end of the crop frame image 700 is longer than the distance d_2 to the right end of the crop frame image 700. The ratio between the distances d_1 and d_2 is, for example, 2: 1.

(9) It has been described that the video analysis unit 111 described above receives two video files F1 and F2 from the two video cameras 120 that photographed the same event. However, four video files may be input to the video analysis unit 111 by dividing the two video files F1 and F2 into the first half and the second half, respectively.

(10) It has been described that the edited video generation unit 112 described above stores the edited video data of the generated edited video in the storage device 115. However, the edited video generation unit 112, through the video editing process flow of FIG. 6, information on the searched scenario file and the editing target video file, the unit frame image to be cropped, and the position and size of the image area to be cropped. Edit data including information on the image, information on the size of the crop frame image to be resized and the size of the resized frame image, and information on the frame images constituting each scene defined in the video editing scenario. Data may be stored in the storage device 115. When the video playback unit 114 plays back the edited video, the edited video generation unit 112 can quickly execute the video editing process flow of FIG. 6 based on the edited data, and hand over the edited video data to the video playback unit 114.

(11) The video analysis unit 11 described above analyzes the video files F1 and F2, and analyzes the subjects such as “Hanako”, “Taro”, “Hiroshi”, “Yoshiko”, and “Audience” who are event participants. For each, recording data is generated regarding the presence or absence of each subject in each unit frame image constituting the video files F1 and F2. The recorded data may include list data of a list of a plurality of subjects included in the unit frame image. The main subject setting unit 113 displays the list on the display device 140, and the user can determine the main subject based on the list, and the main subject setting unit 113 can set the main subject.

(12) The video editing device 110 described above may be a personal computer or a device dedicated to video editing. The video editing device 110 described above may be applied to a video editing device of a television receiver having a video editing device and a television screen display device that displays the edited video. If comprised in this way, the above-mentioned edit process will be performed with respect to the broadcast video transmitted by a broadcasting station. As a result, a video whose main subject is a subject preferred by the viewer of the broadcast is automatically generated, so that the viewer can view content according to his / her preference.

110 video editing device 111 video analysis unit 112 editing video generation unit 113 main subject setting unit 114 video playback unit 115 storage device 120 video camera 130 input device 140 display device 210 220 recording data 310 search processing unit 320 Crop processing unit 330 Resize processing unit, 340 Editing processing unit 510, 520, 530, 540 Participant, 550 Spectator 700 Crop frame image

Claims (14)

In accordance with an editing scenario that defines a scene configuration stored in the storage unit, the video generation unit generates an edited video using video data of a plurality of videos,
The video generation unit generates the edited video so that a time during which the edited subject includes the specific subject is longer than a time during which the edited video includes another subject, and based on the orientation of the specific subject. A video editing apparatus that determines the position of the specific subject and changes the number of frame images of the edited video when an utterance period of the specific subject is shorter than an utterance period of the other subject . The video editing apparatus according to claim 1,
The edited video when the edited video is generated by the video generator includes the specific subject or another subject because each of the plurality of frame images included in the edited video has a predetermined size or more. A video editing apparatus that includes the specific subject or another subject. The video editing apparatus according to claim 1 or 2,
The number of frame images in which the specific subject is included in the edited video is larger than the number of frame images in which the other subject is included in the edited video. The video editing apparatus according to any one of claims 1 to 3,
A video editing apparatus in which the specific subject is located within a predetermined area of a frame image including the specific subject among a plurality of frame images included in the edited video. The video editing apparatus according to any one of claims 1 to 4,
When the appearance frequency of the specific subject in the plurality of frame images included in the edited video is less than the appearance frequency of the other subject, the video generation unit may determine a predetermined position and a predetermined position in the frame image including the specific subject. A video editing apparatus that generates the edited video based on a crop frame image generated by performing a crop process on an image area having a size of. The video editing apparatus according to any one of claims 1 to 4,
When the distance from the center of the frame image including the specific subject to the position of the specific subject is greater than the distance to the position of the other subject, the video generation unit is configured to perform a predetermined process in the frame image including the specific subject. A video editing apparatus that generates the edited video based on a crop frame image generated by performing crop processing on an image area of a position and a predetermined size. The video editing apparatus according to any one of claims 1 to 6,
A video editing apparatus, further comprising a video reproduction unit that reproduces the edited video and displays the edited video on a display device. The video editing apparatus according to any one of claims 1 to 7,
A video editing apparatus further comprising a video storage device for storing edited video data of the edited video. The video editing apparatus according to claim 7, wherein
A video storage device for storing the edited video data of the edited video;
A subject setting unit that sets the first subject and the second subject as the specific subject;
The video generation unit generates the edited video with the first subject as a specific subject,
The video playback unit plays back the edited video and displays it on the display device,
The video generation unit generates the edited video with the second subject as a specific subject,
The video storage device stores the edited video data of the edited video. The video editing apparatus according to any one of claims 1 to 7,
A video editing apparatus comprising: a subject setting unit configured to set at least one of a first subject and a second subject determined by a user as a specific subject when the edited video is generated by the video generation unit. The video editing apparatus according to claim 9 or 10,
The subject setting unit displays a list of a plurality of subjects included in a unit frame image on a display device, and sets the specific subject determined by a user based on the list. The video editing apparatus according to any one of claims 1 to 11,
A video editing apparatus further comprising a video analysis unit that analyzes the video data and generates recording data. The video editing apparatus according to any one of claims 1 to 12 ,
A television receiver comprising: a television screen display device that displays the edited video that has been edited and reproduced by the video editing device. In accordance with an editing scenario that defines a scene configuration stored in the storage unit, the image generation command for causing the computer to generate edited video using video data of a plurality of videos is provided,
The video generation command causes the computer to generate the edited video so that the time during which the edited video includes the specific subject is longer than the time during which the edited video includes another subject, and the orientation of the specific subject A video editing program that determines the position of the specific subject based on the image and changes the number of frame images of the edited video when the utterance period of the specific subject is shorter than the utterance period of the other subject .

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